Sep 10 09:56:26.293 INFO checking sfxr-0.1.3 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 09:56:26.293 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 09:56:26.293 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/try#3a2610c2a16575649896925631bf8cec4f4b1961:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 09:56:26.594 INFO blam! 2af96e5947768a87af9bf86fe2f6a68af2c233684c376c09021f09f146f09e76
Sep 10 09:56:26.596 INFO running `"docker" "start" "-a" "2af96e5947768a87af9bf86fe2f6a68af2c233684c376c09021f09f146f09e76"`
Sep 10 09:56:28.343 INFO kablam! usermod: no changes
Sep 10 09:56:28.450 INFO kablam!     Checking rng_trait v0.1.1
Sep 10 09:56:28.452 INFO kablam!    Compiling sdl2-sys v0.31.0
Sep 10 09:56:28.646 INFO kablam!     Checking prng v0.1.1
Sep 10 09:56:28.742 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 10 09:56:28.742 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/prng-0.1.1/src/atomic_prng.rs:1:12
Sep 10 09:56:28.742 INFO kablam!   |
Sep 10 09:56:28.742 INFO kablam! 1 | use alloc::arc::Arc;
Sep 10 09:56:28.742 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 10 09:56:28.742 INFO kablam! 
Sep 10 09:56:28.782 INFO kablam! error: aborting due to previous error
Sep 10 09:56:28.782 INFO kablam! 
Sep 10 09:56:28.782 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 10 09:56:28.791 INFO kablam! error: Could not compile `prng`.
Sep 10 09:56:28.791 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 09:56:29.579 INFO kablam! error: build failed
Sep 10 09:56:29.580 INFO kablam! su: No module specific data is present
Sep 10 09:56:30.642 INFO running `"docker" "rm" "-f" "2af96e5947768a87af9bf86fe2f6a68af2c233684c376c09021f09f146f09e76"`
Sep 10 09:56:30.747 INFO blam! 2af96e5947768a87af9bf86fe2f6a68af2c233684c376c09021f09f146f09e76